<!DOCTYPE html>
<html lang="en">

<head>
  <meta charset="UTF-8">
  <meta http-equiv="X-UA-Compatible" content="IE=edge">
  <meta name="viewport" content="width=device-width, initial-scale=1.0">
  <title>Document</title>
</head>

<body>
  <script>
    var obj = {
      title: '你想拥有什么，就去追求什么'
    }

    function fun1(name,age){
      this.name = name
      this.age = age

      console.log("name,age ==> ", name, age);
    }

    function fun() {
      console.log("title ==> ", this.title);
    }

    fun.call(obj)

    // fun1.call(null, 'nathan', 18)

    fun1.call(null, ...['nathan', 18])

  </script>
</body>

</html>